Canelo Alvarez and Gennady Golovkin set for September fight to cap trilogy

• Golovkin and his fans believe the former middleweight kingpin won both of the first two fights, while Alvarez is in need of redemption after his shock loss to Dmitry Bivol
• Promoter Eddie Hearn described the trilogy as ‘the biggest fight in boxing’ adding it will be ‘fireworks from the first bell to the last man standing’